Transmisor 25-40 W Uhf2 (438-470 Mhz) (Hoja 2 De 2) - Motorola EM200 Serie Manual De Servicio

Esquemas eléctricos de la tarjeta de circuito impreso 8486577U01 del radio UHF 25-40 W banda 2
R111
R114
1K 10K
0662057A73
0662057A49
4
5
C1055 8
6
R113 C1056
120.p
10K 120.p 120.p
0662057A73
C1073
R110
R115
1K
0662057A49 10K 0662057B05
1 2
R112
R101
C110 200K
0662057A73
1.639m 120.p 10K
R116
4 3
LOAD_2
L124 L117
57R01 57R01
C1273
C1002
L115
120pF L125
120pF
17nH 17nH
2111078B44 2111078B44
2460592A01
2460592A01
2111078B18
2111078B27
Q100
MRF1570
C1017 C1004
C1005 C1009
4813828C32
30pF 30pF 15pF 6.8pF
6
2 IN1 DNP DNP
OUT1
7
3
IN2 OUT2
2111078B27 2111078B18
C1275 C1276
C1274 C1279
30pF 15pF 6.8pF
30pF
DNP DNP
R183 R160
100. 3.3K
0662057A61
0662057A25
IF111 DET_VFWD
2113740F41
INTEGRATOR
IF110
C1101
C1081
20.p
C1080 R161
39.p
39.p 3.3K 2113740F34
DNP
2113740F41 0662057A61
D106
4805218N57
R152
100.
IF112 0662057A25
VREV_BUFFER_IN
INTEGRATOR
C1076 C1079
120pF
13pF
2113740F30 2113740F53
R132
100K
PA_CURRENT
DNP
C1095
LM2904 39pF
U102
R177
DNP
5113818A01 100
FINAL_CURRENT_SENSE
7
FILT_SW_B+_PA
Current sense protection(option)
V_REVERSE
R104
120.
0683962T51
Coupler
L126 L113 2460592A01
D104
13.9nH C1011 17.n L128
4802482J02 39.p
2460591B77 2111078B01 2460592A01 17nH
2111078B03
C1013
C1008 C1280
2111078B32
C1007 3.9pF 3.3pF
3.9pF C1021
C1020
3.9pF
9.1p
C1023 10pF
DNP
DNP
2111078B13
12pF
2111078B03
R103
L127 120. 2111078B15
13.9nH
0683962T51
2460591B77
V_forward 2113740F53
L114
C1278
C1068
C1277
18.n
3.9pF C1069 120.p R105
3.9pF
13.p
DNP 470.
2485873L01
2111078B03
2113740F30
0662057A41
PA_FILT_B+
R185
L108
10K R108
390.0n
51.000
0662057A73
0680194M18 2462587T22
VR102
C1035
5.6 R107
120.p
51.000
2113740F53
D105 0680194M18
4813830A15
4805218N57
Q106
4805128M27
R118 R119
R172
100. 100.
0662057C51 0662057C51 470.
0662057A41
Q103
4813824A06
C1067
120.p
2113740F53 2113740F41
D107
R162
4805218N57
3.3K
0662057A61
V_REVERSE
R120 R121
R163 C1102
100 100
3.3K
20.p
0662057C51
0662057C51
0662057A61 2113740F34
D108
4805218N57
U103
MC3303
R149
5113819A04
R142
22.K
22.K
0662057A81
3
11
0662057A81
1 C1059
C1091
4
2 120.p
39.p
2113740F53
R143
18K
0662057A79
R156
10.K
0662057A73
FINAL_CURRENT_SENSE
D102
C1050
120.p
PLTD_HOLE3_5x7_0_TRIMMED
M4
L111
17.n
ANTENNA Antenna Connector
2460592A01
1 J11-1
L130 2 J11-2
3
R150 390nH J11-3
C1025
C1016 C1026 G2
10K
5.6pF J11-5
10pF G1
6.2pF
0662057A73 J11-4
2111078B13
2111078B08
2462587T22
M101
3980686Z01
1 TAB1 2
TAB2
ANTENNA_CONTACT
M102
3980686Z01
1 TAB2 2
ANTENNA_CONTACT
TAB1
D103
RX
4802482J02
IF100
2111078B18
C1108
C1010
6.2pF
15pF
2113740F22
C1006
15pF
2111078B18
R157
56.K
0662057A91 IF101
TX_EN
C1077
C1130
39.p
39.p
2113740F41
IF102
PWR_SET
FLT_9V
R135 R151
9.1K
36K
0662057A86 0662057A72
U103 R148
L103
MC3303
22.K 1.u
4 13
14
12
R145
C1052 RT100
11
120.p
22.K 47.0K
120.p
C1051
V_REF_OPAMP
PA's Temp Sensor

Transmisor 25-40 W UHF2 (438-470 MHz) (hoja 2 de 2)

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